Our Attorneys | Connor & O’Shaughnessy, P.C. | Peoria Heights

 

 

William C. Connor

Founding Attorney

William C. Connor has practiced law in Central Illinois for more than 25 years, including over a decade as the owner and managing attorney of his firm. He brings extensive experience in estate planning, probate litigation, business transactions, construction disputes, and civil litigation.

Mr. Connor is admitted to practice before:

  • The Supreme Court of the State of Illinois
  • The United States District Court for the Central District of Illinois
  • The United States Court of Appeals for the Seventh Circuit

His practice combines careful legal strategy with practical business judgment — an approach that reflects both his litigation experience and his role as a small business owner.

Professional & Community Leadership

Beyond his legal practice, Mr. Connor has demonstrated a longstanding commitment to community service. He has served as Board Chair of the Children’s Home Association of Illinois, contributing his leadership and legal insight to support vulnerable children and families in the region.

Professional Recognition

Mr. Connor’s work has been recognized by both his peers and the broader professional community:

  • Named a Leading Illinois Attorney in the area of Trusts and Estates (1996)
  • Honored in InterBusiness Issues “40 Under 40” (2001)
  • Recipient of the Peoria County Bar Association Outstanding Community Service Award (2009)

These honors reflect both professional excellence and a dedication to service beyond the courtroom.

Client-Focused Representation

For more than two decades, clients throughout Central Illinois have relied on William Connor for steady counsel, thoughtful planning, and assertive advocacy when disputes arise.

Shanna L. O’Shaughnessy

Shanna L. O’Shaughnessy provides strategic counsel to individuals and businesses across Central Illinois in estate planning, business law, and civil litigation matters.

Admitted to practice in Illinois, O’Shaughnessy focuses on delivering practical solutions, clear communication, and strong advocacy when disputes arise.